Home / 183,448.20-274,913.10-127,979.40

Finding the Fourth Proportional to 183,448.20, 274,913.10 and 127,979.40

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Solution

The fourth proportional to 183,448.20, 274,913.10 and 127,979.40 is: 191,788.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,448.20 : 274,913.10 = 127,979.40 : x
  2. Step 2: Convert to fraction form
    183,448.20/274,913.10 = 127,979.40/x
  3. Step 3: Cross multiply
    183,448.20x = 274,913.10 × 127,979.40
  4. Step 4: Simplify right side
    183,448.20x = 35,183,213,590.14
  5. Step 5: Solve for x
    x = 35,183,213,590.14/183,448.20
  6. Step 6: Final answer
    x = 191,788.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.